20011541033 has 4 divisors (see below), whose sum is σ = 21830772048. Its totient is φ = 18192310020.

The previous prime is 20011541021. The next prime is 20011541051. The reversal of 20011541033 is 33014511002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20011541033 - 2²⁰ = 20010492457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20011540996 and 20011541014.

It is not an unprimeable number, because it can be changed into a prime (20011541063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909615491 + ... + 909615512.

It is an arithmetic number, because the mean of its divisors is an integer number (5457693012).

Almost surely, 2^20011541033 is an apocalyptic number.

It is an amenable number.

20011541033 is a deficient number, since it is larger than the sum of its proper divisors (1819231015).

20011541033 is a wasteful number, since it uses less digits than its factorization.

20011541033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819231014.

The product of its (nonzero) digits is 360, while the sum is 20.

The spelling of 20011541033 in words is "twenty billion, eleven million, five hundred forty-one thousand, thirty-three".